The phrase "marble monument" refers to a statue or structure made of marble that is created to remember and honor someone or something important. Full definition
Taking over 22 years to complete, this stunning white marble monument is truly iconic. (greatrail.com)
Stroll the cobblestoned streets of colonial Boston, and take in landmarks of New York City and the serene marble monuments and vast green spaces of Washington, DC (with a visit to the more - than - a-century-old headquarters of National Geographic). (tripcentral.ca)
The statistical discrepancy suggests to many classicists that parents in ancient Rome refrained from raising an expensive marble monument for a child, unwilling to mourn publicly or privately. (discovermagazine.com)